doitinpoland.com/wp-content/plugins/wpml-string-translation/classes/translations-file-scan/components/wpml-st-translations-file-components-find.php

<?php

interface WPML_ST_Translations_File_Components_Find {
	/**
	 * @param string $file
	 *
	 * @return string|null
	 */
	public function find_id( $file );
}